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Round|Natural|GIA

1.02ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2566500057

Certificate GIA 2566500057

Diamond specifications and retailer prices

From £960 GBP
As of November 5, 2026
Save £759 GBP (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,719 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566500057. Listed at 7 retailers as of November 4, 2026, with prices from £960 to £1,719, a £759 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,719. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566500057
Dimensions6.44 × 6.47 × 4.02 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.44 mm6.47 mm1.02 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566500057
Side View
Table 57.0%Crown 34°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,273 GBP|Low: £955 GBP|High: £1,914 GBP|Avg: £1,344 GBP|+9.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 5, 2026
Retailer 2£960 GBP
Retailer 6£1,077 GBP
Retailer 5£1,129 GBP
Retailer 1£1,273 GBP
Retailer 3£1,378 GBP
Retailer 4£1,416 GBP
Wholesale Diamonds Direct£1,719 GBP

15 data points across 7 retailers

7 retailers£960 GBP to £1,719 GBP

A
Cheapest Retailer
-
£960 GBP
A
Retailer 2
-
£1,077 GBP
View
A
Retailer 3
-
£1,129 GBP
View
A
Retailer 4
-
£1,273 GBP
View
A
Retailer 5
-
£1,378 GBP
View
A
Retailer 6
-
£1,416 GBP
View
Most Expensive
A
Wholesale Diamonds Direct
495862456 · Nov 4
£1,719 GBP
$2,314 USD
View
6 more retailers have this diamond
Prices start from £960 GBPSave up to £759 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.02ct Round
£960 GBP